Home / 7,917.90-10,926.76-4,381.24

Finding the Fourth Proportional to 7,917.90, 10,926.76 and 4,381.24

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Solution

The fourth proportional to 7,917.90, 10,926.76 and 4,381.24 is: 6,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.90 : 10,926.76 = 4,381.24 : x
  2. Step 2: Convert to fraction form
    7,917.90/10,926.76 = 4,381.24/x
  3. Step 3: Cross multiply
    7,917.90x = 10,926.76 × 4,381.24
  4. Step 4: Simplify right side
    7,917.90x = 47,872,757.98
  5. Step 5: Solve for x
    x = 47,872,757.98/7,917.90
  6. Step 6: Final answer
    x = 6,046.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.